23043423011 has 24 divisors (see below), whose sum is σ = 28036268064. Its totient is φ = 18848712960.

The previous prime is 23043422999. The next prime is 23043423047. The reversal of 23043423011 is 11032434032.

It is not a de Polignac number, because 23043423011 - 2⁶ = 23043422947 is a prime.

It is a super-2 number, since 2×23043423011² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (23043423061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 464381 + ... + 511601.

It is an arithmetic number, because the mean of its divisors is an integer number (1168177836).

Almost surely, 2^23043423011 is an apocalyptic number.

23043423011 is a deficient number, since it is larger than the sum of its proper divisors (4992845053).

23043423011 is a wasteful number, since it uses less digits than its factorization.

23043423011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47691 (or 47684 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 23043423011 its reverse (11032434032), we get a palindrome (34075857043).

The spelling of 23043423011 in words is "twenty-three billion, forty-three million, four hundred twenty-three thousand, eleven".